Bulgaria
Prezentat acum: Bulgaria - Timbre poştale (1879 - 2024) - 2 timbre.
1978
International Stamp Exhibition PHILASERDICA '79. The 100th Anniversary of Bulgarian Stamps - Stamps on Stamps
30. Decembrie WM: Niciunul Perforare: 13
1978
International Stamp Exhibition PHILASERDICA '79. The 100th Anniversary of Bulgarian Stamps - Stamps on Stamps
30. Decembrie WM: Niciunul Perforare: 13